Last year, susan opened an investment account with $6800 . at the end of the year, the amount in the account had decreased by 6.5% . how much is this decrease in dollars? how much money was in her account at the end of last year?

(1, –1), (16, –4), (36, –6)

step-by-step explanation:

given that the function is

this can also be written as

we have to graph this function and check which list of points lie on the graph

see attachment for graph:

we find that the points lying are (1,-1) (16,-4) and (36,-6)

since square root is there we find that x can only be posiitve but y can be since square root both positive and negative.